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Optical spectroscopy

Clever calibration

Nature Photonics volume 3, pages 491–492 (2009)Cite this article

A spectroscopic method that combines the accuracy of optical frequency combs with the rapid tuning of an external-cavity diode laser opens the door to fast, broadband spectral characterization.

Rapid, wide-band spectroscopy may benefit greatly from a new technique that provides simple, on-the-fly calibration of a rapidly scanning external-cavity laser diode. It allows for sub-megahertz precision optical spectroscopy in an easy-to-use set-up, and significantly broadens the horizon for precision optical spectroscopy of rapidly evolving or drifting systems. The scheme is reported on page 529 of this issue by researchers in Germany and Switzerland1.

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Figure 1: Spectroscopy with an on-the-fly calibrated extended-cavity diode laser (ECDL).

References

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Authors and Affiliations

  1. Thomas R. Schibli is at the Department of Physics, University of Colorado, Boulder, Colorado 80309–0390, USA. trs@colorado.edu,

    Thomas R. Schibli

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  1. Thomas R. Schibli
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Schibli, T. Clever calibration. Nature Photon 3, 491–492 (2009). https://doi.org/10.1038/nphoton.2009.150

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  • DOI: https://doi.org/10.1038/nphoton.2009.150

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